106

The Tektronix Type 106 is a square-wave generator introduced in 1966. It has four outputs:

• Fast Rise +Output: 500mV into 50 Ω load, positive-going pulse, 1 ns rise time, 50 Ω output impedance, GR connector
• Fast Rise -Output: 500mV into 50 Ω load, negative-going pulse, 1 ns rise time, 50 Ω output impedance, GR connector
• High Amplitude Output: 12 V into 50 Ω load, 12 ns rise time, 600 Ω output impedance, GR connector
• Trigger Output: 100 mV into 50 Ω load, 50 ns rise time, 150 Ω output impedance, BNC connector

The 1 ns rise-time outputs are generated using diodes to clip a high amplitude signal. In units with serial numbers less than 1190, GaAs diodes were used for clipping. After serial number 1190, silicon diodes were used.

The high amplitude output stage of the 106 is made of four 7189A tubes in parallel. With moderate effort, the socket wiring can be made compatible with the 7189 aka 6BQ5.

Manuals

• Tektronix 106 Manual (PDF)
• Tektronix 106 Manual (DjVu)

Pictures

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  Front

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  Rear

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  Schematic

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  Silicon Diode Conversion

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  106 pulse on 2235

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  106 pulse on 567 with S4 measuring 600ps risetime

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